OpenTechnical

OT-2026-000050683

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050683) never changes.

Identity and time

Publication numberOT-2026-000050683 · never reused
Internal UUID01a0ae82-c7b0-7484-98b0-3a0f23d95184 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050683
StatusPUBLIC

Content hashes

Canonical textcb5f2c20d6d8476d131c72f9b1fd3a2f9e876a6668fb8448c071f3b7818ef164
Markdown580785720dae5c430ffbe5f4ae0f3f79da01c9f383904d7cf843c31f5e75c7a4
PDF
Publication pageb987e134d1cbe4edb8b5ff5ed87d6fb7d8fa50feab46f57d3632743b94e75d9c
Manifestdc7709156c0a442692bbc0a7bf5cd81f71ea0316d433fe46e4a1f97e7f567ca9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturey+lowKhVWcCbNkNhHrzNZilq2H3R3pBpLAUKYyzptgl6gk7LXlX7sy7Ci6tZN+f+Io3a3vWH8UioIQIyZjtIAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:59:23.499257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050683
observed b987e134d1cbe4edb8b5ff5ed87d6fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.478404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050683/manifest.json
observed dc7709156c0a442692bbc0a7bf5cd81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.459778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050683/publication.md
observed 580785720dae5c430ffbe5f4ae0f3f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.437969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050683/publication.txt
observed cb5f2c20d6d8476d131c72f9b1fd3a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.